At what distance from a convex lens must an object be to get a virtual image?
-at a focal point
-at more than twice the focal length
-greater than the focal length but less than twice the focal length
-at a distance less than the focal length

Question

At what distance from a convex lens must an object be to get a virtual image?
-at a focal point
-at more than twice the focal length
-greater than the focal length but less than twice the focal length
-at a distance less than the focal length

anonymous · Answer

Nevermind, I found out the answer from reading an article. It's at a distance less than the focal length. ^_^